Duct Tape 3M 7100040051

The 3M 7100040051 duct tape is a white, foam polyurethane tape designed for indoor fastening and sealing tasks. It is 10 m long, 19 mm wide and 1.6 mm thick, offering a balance of conformability and structural support. The tape maintains performance in a wide temperature range from -30 °C to 105 °C and provides reliable adhesion to many common indoor surfaces.

Advantages

This foam polyurethane duct tape combines good shear strength with flexible compression properties, allowing it to conform to irregular surfaces while maintaining a solid bond. Its operating temperature range supports use in cold and warm indoor environments. The white color delivers a neutral appearance for visible joints and repairs, and the tape's dimensions suit detailed fastening and sealing work where a narrower width is required.

Suitable for

• Sealing and fastening small joints and edges indoors
• Temporary or permanent repairs on HVAC ducts and conduit surfaces
• Mounting lightweight trims, seals or weatherstrips
• Fixing insulation material and foam panels in place

Key specifications

• Material: foam polyurethane
• Color: white
• Length: 10 m
• Width: 19 mm
• Thickness: 1.6 mm
• Operating temperature range: -30 °C to 105 °C
• Intended use: indoor

How to use

Ensure the surfaces to be bonded are clean, dry and free from dust, grease or loose particles. Measure and cut the required length of tape with scissors or a knife. Apply the tape with firm pressure, smoothing from the center outward to remove trapped air and ensure full contact. For best adhesion, press along the tape edge and across the surface after application. Allow any adhesive to set before subjecting the joint to load or stress.

Usage recommendations

Store the tape in a cool, dry place away from direct sunlight. Use at temperatures within the specified range for optimal adhesion. On very porous or heavily textured surfaces, test a small area first to confirm bond strength. For critical structural joins or exposure to outdoor weathering, consider a product specifically rated for exterior use.